git: openjdk/jfx: master: 8325093: Update CONTRIBUTING.md for build jdk version

[Kevin Rushforth]

Changeset: 12816b57
Author:    Ao Qi <aoqi at openjdk.org>
Committer: Kevin Rushforth <kcr at openjdk.org>
Date:      2024-02-02 14:59:46 +0000
URL:       https://git.openjdk.org/jfx/commit/12816b57ffd1ffad57d008f7195666ad4e9400bb

8325093: Update CONTRIBUTING.md for build jdk version

Reviewed-by: kcr

! CONTRIBUTING.md